Life Cycle of Stars Quiz

What is the initial stage in the formation of a new star?

• A nebula

• A supernova

• A black hole

• A white dwarf

What is a protostar?

• A fully formed star

• A dying star

• A very young star still gathering mass

• A star that has exploded

What process powers stars and makes them shine?

• Nuclear fusion

• Magnetic fields

• Nuclear fission

• Chemical reactions

What happens when a star becomes a main sequence star?

• It explodes

• It starts nuclear fusion

• It begins to collapse

• It stops nuclear fusion

What determines the life cycle stages of a star?

• Its color

• Its temperature

• Its size

• Its distance from Earth

What is the next stage after a main sequence star runs out of hydrogen?

• It becomes a black hole

• It becomes a red giant

• It becomes a neutron star

• It becomes a supernova

What is a planetary nebula?

• A young star

• A type of galaxy

• A planet's atmosphere

• A cloud of gas and dust expelled by a red giant

What remains after a red giant expels its outer layers?

• A new planet

• A black hole

• A neutron star

• A white dwarf

What happens to the core of a white dwarf over time?

• It heats up

• It turns into a black hole

• It cools down and evaporates

• It becomes a supernova

What is the next topic to be covered in the following lesson?

• The end of the universe

• The formation of galaxies

• The life cycle of planets

• The stages of massive stars